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Diffstat (limited to '')
| -rw-r--r-- | src/st/st-settings.c | 402 |
1 files changed, 402 insertions, 0 deletions
diff --git a/src/st/st-settings.c b/src/st/st-settings.c new file mode 100644 index 0000000..0ece3cc --- /dev/null +++ b/src/st/st-settings.c @@ -0,0 +1,402 @@ +/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */ +/* + * st-settings.c: Global settings + * + * Copyright 2019 Red Hat, Inc. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU Lesser General Public License, + * version 2.1, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT ANY + * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS + * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for + * more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include <math.h> +#include <gio/gio.h> + +#include "st-private.h" +#include "st-settings.h" + +#define KEY_ENABLE_ANIMATIONS "enable-animations" +#define KEY_PRIMARY_PASTE "gtk-enable-primary-paste" +#define KEY_DRAG_THRESHOLD "drag-threshold" +#define KEY_FONT_NAME "font-name" +#define KEY_GTK_THEME "gtk-theme" +#define KEY_GTK_ICON_THEME "icon-theme" +#define KEY_MAGNIFIER_ACTIVE "screen-magnifier-enabled" + +enum { + PROP_0, + PROP_ENABLE_ANIMATIONS, + PROP_PRIMARY_PASTE, + PROP_DRAG_THRESHOLD, + PROP_FONT_NAME, + PROP_GTK_THEME, + PROP_GTK_ICON_THEME, + PROP_MAGNIFIER_ACTIVE, + PROP_SLOW_DOWN_FACTOR, + N_PROPS +}; + +GParamSpec *props[N_PROPS] = { 0 }; + +struct _StSettings +{ + GObject parent_object; + GSettings *interface_settings; + GSettings *mouse_settings; + GSettings *a11y_settings; + + gchar *font_name; + gchar *gtk_theme; + gchar *gtk_icon_theme; + int inhibit_animations_count; + gboolean enable_animations; + gboolean primary_paste; + gboolean magnifier_active; + gint drag_threshold; + double slow_down_factor; +}; + +G_DEFINE_TYPE (StSettings, st_settings, G_TYPE_OBJECT) + +#define EPSILON (1e-10) + +static void +st_settings_set_slow_down_factor (StSettings *settings, + double factor) +{ + if (fabs (settings->slow_down_factor - factor) < EPSILON) + return; + + settings->slow_down_factor = factor; + g_object_notify_by_pspec (G_OBJECT (settings), props[PROP_SLOW_DOWN_FACTOR]); +} + +static gboolean +get_enable_animations (StSettings *settings) +{ + if (settings->inhibit_animations_count > 0) + return FALSE; + else + return settings->enable_animations; +} + +void +st_settings_inhibit_animations (StSettings *settings) +{ + gboolean enable_animations; + + enable_animations = get_enable_animations (settings); + settings->inhibit_animations_count++; + + if (enable_animations != get_enable_animations (settings)) + g_object_notify_by_pspec (G_OBJECT (settings), + props[PROP_ENABLE_ANIMATIONS]); +} + +void +st_settings_uninhibit_animations (StSettings *settings) +{ + gboolean enable_animations; + + enable_animations = get_enable_animations (settings); + settings->inhibit_animations_count--; + + if (enable_animations != get_enable_animations (settings)) + g_object_notify_by_pspec (G_OBJECT (settings), + props[PROP_ENABLE_ANIMATIONS]); +} + +static void +st_settings_finalize (GObject *object) +{ + StSettings *settings = ST_SETTINGS (object); + + g_object_unref (settings->interface_settings); + g_object_unref (settings->mouse_settings); + g_object_unref (settings->a11y_settings); + g_free (settings->font_name); + g_free (settings->gtk_theme); + g_free (settings->gtk_icon_theme); + + G_OBJECT_CLASS (st_settings_parent_class)->finalize (object); +} + +static void +st_settings_set_property (GObject *object, + guint prop_id, + const GValue *value, + GParamSpec *pspec) +{ + StSettings *settings = ST_SETTINGS (object); + + switch (prop_id) + { + case PROP_SLOW_DOWN_FACTOR: + st_settings_set_slow_down_factor (settings, g_value_get_double (value)); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + } +} + +static void +st_settings_get_property (GObject *object, + guint prop_id, + GValue *value, + GParamSpec *pspec) +{ + StSettings *settings = ST_SETTINGS (object); + + switch (prop_id) + { + case PROP_ENABLE_ANIMATIONS: + g_value_set_boolean (value, get_enable_animations (settings)); + break; + case PROP_PRIMARY_PASTE: + g_value_set_boolean (value, settings->primary_paste); + break; + case PROP_DRAG_THRESHOLD: + g_value_set_int (value, settings->drag_threshold); + break; + case PROP_FONT_NAME: + g_value_set_string (value, settings->font_name); + break; + case PROP_GTK_THEME: + g_value_set_string (value, settings->gtk_theme); + break; + case PROP_GTK_ICON_THEME: + g_value_set_string (value, settings->gtk_icon_theme); + break; + case PROP_MAGNIFIER_ACTIVE: + g_value_set_boolean (value, settings->magnifier_active); + break; + case PROP_SLOW_DOWN_FACTOR: + g_value_set_double (value, settings->slow_down_factor); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + } +} + +static void +st_settings_class_init (StSettingsClass *klass) +{ + GObjectClass *object_class = G_OBJECT_CLASS (klass); + + object_class->finalize = st_settings_finalize; + object_class->set_property = st_settings_set_property; + object_class->get_property = st_settings_get_property; + + /** + * StSettings:enable-animations: + * + * Whether animations are enabled. + */ + props[PROP_ENABLE_ANIMATIONS] = g_param_spec_boolean ("enable-animations", + "Enable animations", + "Enable animations", + TRUE, + ST_PARAM_READABLE); + + /** + * StSettings:primary-paste: + * + * Whether pasting from the `PRIMARY` selection is supported (eg. middle-click + * paste). + */ + props[PROP_PRIMARY_PASTE] = g_param_spec_boolean ("primary-paste", + "Primary paste", + "Primary paste", + TRUE, + ST_PARAM_READABLE); + + /** + * StSettings:drag-threshold: + * + * The threshold before a drag operation begins. + */ + props[PROP_DRAG_THRESHOLD] = g_param_spec_int ("drag-threshold", + "Drag threshold", + "Drag threshold", + 0, G_MAXINT, 8, + ST_PARAM_READABLE); + + /** + * StSettings:font-name: + * + * The current font name. + */ + props[PROP_FONT_NAME] = g_param_spec_string ("font-name", + "font name", + "font name", + "", + ST_PARAM_READABLE); + + /** + * StSettings:gtk-theme: + * + * The current GTK theme. + */ + props[PROP_GTK_THEME] = g_param_spec_string ("gtk-theme", + "GTK Theme", + "GTK Theme", + "", + ST_PARAM_READABLE); + + /** + * StSettings:gtk-icon-theme: + * + * The current GTK icon theme + */ + props[PROP_GTK_ICON_THEME] = g_param_spec_string ("gtk-icon-theme", + "GTK Icon Theme", + "GTK Icon Theme", + "", + ST_PARAM_READABLE); + + /** + * StSettings:magnifier-active: + * + * Whether the accessibility magnifier is active. + */ + props[PROP_MAGNIFIER_ACTIVE] = g_param_spec_boolean("magnifier-active", + "Magnifier is active", + "Whether the a11y magnifier is active", + FALSE, + ST_PARAM_READABLE); + + /** + * StSettings:slow-down-factor: + * + * The slow-down factor applied to all animation durations. + */ + props[PROP_SLOW_DOWN_FACTOR] = g_param_spec_double("slow-down-factor", + "Slow down factor", + "Factor applied to all animation durations", + EPSILON, G_MAXDOUBLE, 1.0, + ST_PARAM_READWRITE); + + g_object_class_install_properties (object_class, N_PROPS, props); +} + +static void +on_interface_settings_changed (GSettings *g_settings, + const gchar *key, + StSettings *settings) +{ + if (g_str_equal (key, KEY_ENABLE_ANIMATIONS)) + { + settings->enable_animations = g_settings_get_boolean (g_settings, key); + g_object_notify_by_pspec (G_OBJECT (settings), props[PROP_ENABLE_ANIMATIONS]); + } + else if (g_str_equal (key, KEY_PRIMARY_PASTE)) + { + settings->primary_paste = g_settings_get_boolean (g_settings, key); + g_object_notify_by_pspec (G_OBJECT (settings), props[PROP_PRIMARY_PASTE]); + } + else if (g_str_equal (key, KEY_FONT_NAME)) + { + g_free (settings->font_name); + settings->font_name = g_settings_get_string (g_settings, key); + g_object_notify_by_pspec (G_OBJECT (settings), props[PROP_FONT_NAME]); + } + else if (g_str_equal (key, KEY_GTK_THEME)) + { + g_free (settings->gtk_theme); + settings->gtk_theme = g_settings_get_string (g_settings, key); + g_object_notify_by_pspec (G_OBJECT (settings), props[PROP_GTK_THEME]); + } + else if (g_str_equal (key, KEY_GTK_ICON_THEME)) + { + g_free (settings->gtk_icon_theme); + settings->gtk_icon_theme = g_settings_get_string (g_settings, key); + g_object_notify_by_pspec (G_OBJECT (settings), + props[PROP_GTK_ICON_THEME]); + } +} + +static void +on_mouse_settings_changed (GSettings *g_settings, + const gchar *key, + StSettings *settings) +{ + if (g_str_equal (key, KEY_DRAG_THRESHOLD)) + { + settings->drag_threshold = g_settings_get_int (g_settings, key); + g_object_notify_by_pspec (G_OBJECT (settings), props[PROP_DRAG_THRESHOLD]); + } +} + +static void +on_a11y_settings_changed (GSettings *g_settings, + const gchar *key, + StSettings *settings) +{ + if (g_str_equal (key, KEY_MAGNIFIER_ACTIVE)) + { + settings->magnifier_active = g_settings_get_boolean (g_settings, key); + g_object_notify_by_pspec (G_OBJECT (settings), props[PROP_MAGNIFIER_ACTIVE]); + } +} + +static void +st_settings_init (StSettings *settings) +{ + settings->interface_settings = g_settings_new ("org.gnome.desktop.interface"); + g_signal_connect (settings->interface_settings, "changed", + G_CALLBACK (on_interface_settings_changed), settings); + + settings->mouse_settings = g_settings_new ("org.gnome.settings-daemon.peripherals.mouse"); + g_signal_connect (settings->interface_settings, "changed", + G_CALLBACK (on_mouse_settings_changed), settings); + + settings->a11y_settings = g_settings_new ("org.gnome.desktop.a11y.applications"); + g_signal_connect (settings->a11y_settings, "changed", + G_CALLBACK (on_a11y_settings_changed), settings); + + settings->enable_animations = g_settings_get_boolean (settings->interface_settings, + KEY_ENABLE_ANIMATIONS); + settings->primary_paste = g_settings_get_boolean (settings->interface_settings, + KEY_PRIMARY_PASTE); + settings->font_name = g_settings_get_string (settings->interface_settings, + KEY_FONT_NAME); + settings->gtk_theme = g_settings_get_string (settings->interface_settings, + KEY_GTK_THEME); + settings->gtk_icon_theme = g_settings_get_string (settings->interface_settings, + KEY_GTK_ICON_THEME); + settings->drag_threshold = g_settings_get_int (settings->mouse_settings, + KEY_DRAG_THRESHOLD); + settings->magnifier_active = g_settings_get_boolean (settings->a11y_settings, + KEY_MAGNIFIER_ACTIVE); + settings->slow_down_factor = 1.; +} + +/** + * st_settings_get: + * + * Gets the global #StSettings object. + * + * Returns: (transfer none): the global #StSettings object + **/ +StSettings * +st_settings_get (void) +{ + static StSettings *settings = NULL; + + if (!settings) + settings = g_object_new (ST_TYPE_SETTINGS, NULL); + + return settings; +} |